<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>05单元格的合并</title>
</head>
<body>
    <h1>单元格的合并</h1>
    <table width="500" height="200" cellspacing="0" border="1px">
        <tr>
            <th></th>
            <!-- colspan 列合并，左右合并，右边的列就给空着 -->
            <th colspan="2"></th>
        </tr>
        <tr>
            <!-- rowspan row 行，行合并，上下合并，下面的就空着不写 -->
            <td rowspan="2"></td>
            <td></td>
        </tr>
        <tr>
            <td></td>
        </tr>
    </table>
</body>
</html>